Abstract:New luminescent material, 6,11-Dihydroxy-5,12-naphthacenedione (Alq 2 -Ncd) was synthesized. And extended efforts have been made to obtain high-performance electro-luminescent (EL) devices, since the first report of organic lightemitting diodes (OLEDs) based on tris-(8-hydroxy-quinoline) aluminum (Alq 3 ). Current-voltage characteristics, brightness-voltage characteristics, luminous efficiency and external quantum efficiency were measured at room temperature. The maximum wavelength of the EL is at around 504 n… Show more
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